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The dilute A₄ model, the E₇ mass spectrum and the tricritical Ising model

Seaton, K. A.; Batchelor, M. T.


The exact perturbation approach is used to derive the (seven) elementary correlation lengths and related mass gaps of the two-dimensional dilute A₄ lattice model in regime 2⁻ from the Bethe ansatz solution. This model provides a realisation of the integrable ϕ(1,2) perturbation of the c=7/10 conformal field theory, which is known to describe the off-critical thermal behaviour of the tricritical Ising model. The E₇masses predicted from purely elastic scattering theory follow in the...[Show more]

CollectionsANU Research Publications
Date published: 2002-05
Type: Journal article
Source: Journal of Mathematical Physics
DOI: 10.1063/1.1465515


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